TatyanaNabor343 TatyanaNabor343

11-06-2014
Mathematics

contestada

When x = 3 and y = 5, by how much does the value of 3x^2 – 2y exceed the value of 2x^2 – 3y ?
F. 4
G. 14
H. 16
J. 20
K. 50

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konrad509 konrad509

11-06-2014

[tex]3\cdot3^2-2\cdot5-(2\cdot3^2-3\cdot5)=27-10-(18-15)=17-3=14[/tex]

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